// Copyright (C) Kumo inc. and its affiliates.
// Author: Jeff.li lijippy@163.com
// All rights reserved.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
//

package scripts

import (
	"bytes"
	"path"
	"text/template"

	"github.com/kumose/kmopt/embed"
	"github.com/kumose/kmopt/pkg/utils"
)

// AlertManagerScript represent the data to generate AlertManager start script
type AlertManagerScript struct {
	WebListenAddr     string
	WebExternalURL    string
	ClusterPeers      []string
	ClusterListenAddr string

	DeployDir string
	LogDir    string
	DataDir   string

	NumaNode       string
	AdditionalArgs []string
}

// ConfigToFile write config content to specific path
func (c *AlertManagerScript) ConfigToFile(file string) error {
	fp := path.Join("templates", "scripts", "run_alertmanager.sh.tpl")
	tpl, err := embed.ReadTemplate(fp)
	if err != nil {
		return err
	}

	tmpl, err := template.New("AlertManager").Parse(string(tpl))
	if err != nil {
		return err
	}

	content := bytes.NewBufferString("")
	if err := tmpl.Execute(content, c); err != nil {
		return err
	}

	return utils.WriteFile(file, content.Bytes(), 0755)
}
